humilis, Tetragonopterus Günther [A.] 1864:327 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Lake Amatitlan, Guatemala. Syntypes: (at least 4) BMNH 1865.4.29.45-50 (6). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061] with question, Mirande & Koerber 2015:2 [ref. 33698]). •Synonym of Astyanax aeneus (Günther 1860) -- (Schmitter-Soto 2017:1352 [ref. 35414]). Current status: Synonym of Astyanax aeneus (Günther 1860). Characidae: Stethaprioninae. Habitat: freshwater.